Vacuum Tube -

A glass or metal container that prevents air molecules from disrupting electron flow. Common Types

Placed between cathode and anode to control the volume of electrons. vacuum tube

Heated (white-hot) to "boil off" electrons via thermionic emission. A glass or metal container that prevents air

Examples include "magic eye" tubes for signal display, thyratrons, and magnetrons. Key Technical Details and magnetrons. Key Technical Details